FUNDAMENTAL OF MULTIMEDIA COLOR" " By" Dr. Rahmah Mokhtar " Faculty of Computer Systems & Software Engineering
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1 FUNDAMENTAL OF MULTIMEDIA COLOR" " By" Dr. Rahmah Mokhtar " Faculty of Computer Systems & Software Engineering "
2 COLOR! In this chapter, Student will be able - To understand the color features - To select color that suitable for their project References - Tay Vaughan. Mul;media: Making It Work, Ninth Edi;on. Mc Graw Hill ISBN-13: Zhe-Nian Li, Mark S. Drew.S & Jiangchuan Liu. Fundamentals of Mul;media (Texts in Computer Science) 2nd ed Edi;on. Springer Publica;on ISBN-13: Khalid Sayood. Introduc;on to Data Compression, Fourth Edi;on (The Morgan Kaufmann Series in Mul;media Informa;on and Systems) 4th Edi;on. Elsevier ISBN-13: Savage, T.M., Vogel, K.E. An Introduc;on to Digital Mul;media 2nd ed Jones & Bartle_ Learning ASIN: B00LZM6ESY. - Parag Havaldar, Gerard Medioni. Mul;media Systems: Algorithms, Standards, and Industry Prac;ces (Advanced Topics) 1st Edi;on. Cengage Learning ISBN-13:
3 Reference Color Wheel 2.1. Online. April 10, Website Color Picker. Online. April 10, Wollin, Lisa. Choosing Colors for your Web Site. Online. Accessed April 10, 2006.
4 References Color Principles Hue, Saturation, and Value. NC State Scientific Visualization. Online. color_models2.html Accessed April 11, CMYK Color Model. Wikipedia. Online. Accessed April 9, HSL Color Space. Wikipedia. Online. Accessed April 8, Image:ColourShading.png. Wikipedia. Online. wiki/image:colourshading.png Accessed April 10, Nolan, Katherine. Color It Effective: How Color Influences the User. MS Office Online. January, Online. Accessed April 10, Study Art: Color. Online. Accessed April 8, What is Color? Online. Accessed April 8, Zarnia,Steve teaching material
5 Color Terminology There are several other terms used to describe color, including Hue Saturation Value
6 Hue Definition a distinct color of the color gamut (range of a color model) Defined by a particular wavelength This is what most of us refer to when we say color ROY G. BIV = Red Orange Yellow Green Blue Indigo Violet
7 Saturation Definition: the amount of white light (or gray paint) mixed with the hue how MUCH color; the dominance of the hue High Saturated colors include little gray or white light These are bright and vibrant Low Saturated colors appear grayish in color These include pastels and muddier colors High saturation Low saturation
8 Webpage Example The two screen shots primarily differ based on their saturation How has the appeal changed? Is one of the slides more generally appealing than the others?
9 Value Definition: the intensity of light present how light or dark the color is Also referred to as brightness or intensity Range from tints (light values) to shades (dark values) Often accomplished by mixing the color with various amounts of white or black tints shades
10 Color Model: < hue > HSV/HSL HSV specifies a value from 0 to 255 for Hue Saturation Value HSL (Hue, Saturation, and Lightness/ Luminance) is a similar model, but L expands from white to black (rather than HSV s black to hue), therefore providing a double cone PowerPoint example < sat > < lum >
11 Color Wheels Help to arrange colors and determine appropriate combinations of color Three types artist s wheel (paint mixing) subtractive color wheel additive color wheel
12 Additive Color Wheel Models how projected color combines Black = no light (i.e., no color) White = all light (i.e., all color) Primary colors = RED GREEN BLUE From which we get RGB Used in computer monitors, TV sets, and stage lighting (LCD lights)
13 Color Model: RGB RGB stands for the primary additive colors RED GREEN BLUE Has become a standard and is often used in languages and programs (i.e., HTML, Flash) Each value given an integer range from 0 to 255 Can also be expressed as a hexadecimal value
14 Subtractive Color Wheel Models how painted color combines (since it is now on the paper and reflecting the light) White = no color (all reflected) Black = all color (none reflected) Traditional (artist s wheel) primary colors = RED YELLOW BLUE OR
15 Subtractive Color Wheel Printers (computer) use the following primary colors = CYAN MAGENTA YELLOW From which we get CMYK (more detail later Subtractive color works through light absorption (what we see is the color not absorbed) Magenta + Cyan = Blue Cyan + Yellow = Green Yellow + Magenta = Red
16 Color Model: CMYK CMYK stands for the primary additive colors CYAN MAGENTA YELLOW BLACK The K stands for key, which is short for key plate (printing term)
17 Color Model: CMYK Used especially in the printing of images =
18 Using the color wheel The color wheel makes it simple to determine color schemes for a multimedia project Types of Colors Primary Secondary Tertiary Complementary colors Split-complementary Triad Analogous
19 Using the color wheel Primary Colors The defining colors of the wheel In the traditional wheel, these consist of RED BLUE YELLOW
20 Using the color wheel Secondary Colors colors equidistant between the primary colors In the traditional wheel, these consist of VIOLET (blue and red) GREEN (yellow and blue) ORANGE (red and yellow)
21 Using the color wheel Tertiary Colors colors between the primary color and secondary color In the traditional wheel, these consist of RED-VIOLET BLUE-VIOLET BLUE- GREEN YELLOW-GREEN YELLOW-ORANGE RED-ORANGE
22 Using the color wheel Complementary Colors Exist across from each other on the color wheel A primary and a secondary Contrast because they share no common colors (e.g., red and green (blue and yellow)) Produce excitement and action Combining complements produces a neutral grey Seen often in color schemes and logos Example: BLUE and ORANGE
23 Using the color wheel Split-Complementary Colors Exist on either side of the complementary color A primary and two tertiary Contrast, but not as significantly as complementary colors Example: BLUE and YELLOW-ORANGE RED-ORANGE
24 Using the color wheel Triad Colors Three colors located equidistantly around a color wheel Primary colors Secondary colors Group of tertiary colors Provides a balanced color scheme Can be a good place to start exploring color palettes
25 Using the color wheel Analogous Colors Colors adjacent to each other on the color wheel Share enough common attributes that can complement each other But, provides little contrast Example: BLUE BLUE- GREEN GREEN
26 Selecting Your Color Scheme
27 Two Important Issues to consider Message trying to send Audience you are trying to rea
28 Selecting Your Color Scheme Age Differences Younger children prefer brighter, more solid colors Adults prefer more subdued colors (i.e., light values/tints) (e.g., pastels) Class Differences Working class prefer named colors: blue, red, green, etc. More highly educated class prefers obscure colors: taupe, azure, mauve Gender Men tend to prefer cool colors (blues and greens) Women tend to prefer warm colors (reds and yellows) Seasonal issues Winter = blacks, whites, grays Spring = spring greens and bright colors Summer = yellows Fall = browns and golds
29 Selecting Your Color Scheme Cultural Issues Geography Warm climates = strong colors Cooler climates = cooler, more washed out colors Colors and their common connotations in Western culture Cultural Examples (next slide) Color Positive Negative White Clean, innocent, pure Cold, empty, sterile Red Strong, brave, passionate Dangerous, aggressive, domineering Yellow Happy, friendly, optimistic Cowardly, annoying, brash Green Natural, tranquil, relaxing Jealous, inexperienced, greedy Brown Warm, earthy, mature Blue Dirty, sad, cheap Strong, trustworthy, authoritative Cold, depressing, gloomy
30 Selecting Your Color Scheme Cultural Examples Color Black White Red Orange Country: Meaning China: color for young boys Western: funerals, death, bad guys, rebellion Japan: white carnation symbolizes death Eastern: funerals Western: brides, angels, good guys, hospitals, doctors, peace (white dove) China: good luck, celebration, summoning Cherokees: success, triumph India: purity South Africa: color of mourning Russia: Bolsheviks and Communism Eastern: Worn by brides Western: excitement, danger, love, passion, stop Ireland: Religious (Protestants) Western: Halloween (with black), creativity, autumn
31 Color Yellow Green Blue Purple Selecting Your Color Scheme Cultural Examples China: nourishing Egypt: color of mourning Japan: courage India: merchants Western: hope, hazards, coward Country: Meaning China: green hats indicate a man s wife is cheating on him, exorcism India: Islam Ireland: <the whole country> Western: spring, new birth, go, St. Patrick s Day Cherokees: defeat, trouble Iran: color of heaven and spirituality Western: depression, sadness, conservative, corporate Thailand: color of mourning (widows) Western: royalty
32 Selecting Your Color Scheme Setting Moods Example: evidence suggests using green in the workplace results in less absenteeism through illness Univ. of Iowa coach painted visitors locker room pink because research shows that it reduces aggression
33 Selecting Your Color Scheme Using tools MS color palette allows you to select rows for harmonious color schemes
34 Conclusion Color Terms Hue Saturation Value Color models HSV RGB CMYK Color Wheel Additive Subtractive Color Choices Age Class Gender Season Culture
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